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–****PLEASE ENTER YOUR DETAILS BELOW**** –T2-rm-queries.sql –Student ID: –Student Name: –Tutorial No: /* Comments for your marker: */ /* 2(a) Query 1 */ –PLEASE PLACE REQUIRED SQL STATEMENT FOR THIS PART HERE /* 2(b) Query 2 */ –PLEASE PLACE REQUIRED SQL STATEMENT FOR THIS PART HERE /* 2(c) Query 3 */ –PLEASE PLACE REQUIRED SQL […]

–****PLEASE ENTER YOUR DETAILS BELOW**** –T1a-rm-insert.sql –Student ID: –Student Name: –Tutorial No: /* Comments for your marker: */ /* 1(a) Load selected tables with your own additional test data */ –PLEASE PLACE REQUIRED SQL STATEMENT(S) FOR THIS PART HERE

Copyright © 2016 and Shamkant B. Navathe DISTINCT FUNCTIONS Copyright By PowCoder代写 加微信 powcoder The SELECT DISTINCT statement is used to return only distinct (different) values. Inside a table, a column often contains many duplicate values; and sometimes you only want to list the different (distinct) values SELECT DISTINCT column_name FROM table_name; The query returns only distinct values in the specified column. In other

Data 101: Data Engineering Note 2 – September 8, 2022 Views, Subqueries, and Aggregation Lecturer: Scribe: 1 Introduction Copyright By PowCoder代写 加微信 powcoder In the last note, we introduced some basic SQL syntax in the SELECT FROM WHERE format. In this note, we’ll discuss some more advanced SQL commands. Suppose we want the result of